Menu
Photonics Media
Buyers' Guide
EDU Photonics
Register
Login
Dictionary
Handbook
Institutions
Work
Subscribe
Advertise
About Us
Bookstore
Search
This Week in Photonics
Light Matters Monthly Alert
Photonics Spectra
Newsletter
BioPhotonics
Newsletter
EuroPhotonics
Newsletter
Asia-Pacific Photonics Newsletter
Photonics Showcase
Newsletter
Spectroscopy Newsletter
Tradeshow Sneak Previews
Industrial Photonics
: Lasers Newsletter
Industrial Photonics
: Vision Newsletter
Photonics in Defense & Aerospace Newsletter
Photonics Media Bookstore Alert
Technology Newsletters
ABOUT US
BOOKSTORE
SUBSCRIBE
ADVERTISE
Login
Register
PHOTONICS DICTIONARY
PHOTONICS HANDBOOK
EDUCATIONAL INSTITUTIONS
WORK IN PHOTONICS
Photonics Dictionary
process lens
A lens that is symmetrical and designed to work between 1:1 and about 4:1. It covers a field of about ±20° at
f
/8 or
f
/10, and may have a focal length up to about 30 in., although the usual focal length is 18 in. The best process lenses are apochromatic, meaning that three colors have been brought to a common focus instead of the usual two.
EDUCATION NEWS
from Photonics Media
Physicists Identify Optimum Conditions for Laser Plasma Acceleration
1 day ago
Insight into Glass Formation Could Lead to Coatings, Other Applications
2 days ago
VLBI, Gaia Data Could Improve Our Understanding of Quasars
2 days ago
UArizona’s Norwood Awarded $3.7M by DOE for Solar Technologies
2 days ago
Graphene-Based Absorbers Could Enable Ultrafast Lasers in THz Range
5 days ago
view all
POPULAR ARTICLES
Optical System Optimization Analyzing the Effects of Stray Light
The Long and the Short of It: Techniques for Measuring Aspheres
Focus on Polarization
Prefixes for Binary Multiples
An Introduction to Laser Process Qualification
HELPFUL TOOLS
Laser Wavelength Chart
Laser Timeline
Photonics Timeline
EVENTS & COURSES
from Photonics Media
SEP
17
ECOC 2017
Gothenburg, Sweden
ECOC will feature research advances and scientific discoveries in the field of optical...
SEP
17
Frontiers in Optics/Laser Science Conference and Exhibition
Washington, DC, United States
Frontiers in Optics is the annual meeting of The Optical Society where the optical science...
SEP
18
Laser Safety Officer With Hazard Analysis Training
Chicago, IL, United States
SEP
19
AutoSens 2017
Brussels, Belgium
Built on the vision of senior technical experts at automotive OEMs and Tier 1 suppliers, and...
Call for Papers
SEP
30
HTC 15
Abstract submissions due Sept. 30.
OCT
9
Defense + Commercial Sensing 2018
Abstract submissions due Oct. 9.
view all
submit event
BOOKSTORE
CITE - A 12-Lecture Course in Technology Commercialization
CITE - Commercialization of Innovative Technology through Entrepreneurship This 12-lecture...
BUY NOW >
Terms & Conditions
Privacy Policy
About Us
Contact Us
Our Publications
Photonics Spectra
BioPhotonics
Industrial Photonics
EuroPhotonics
Photonics Showcase
Photonics Buyers' Guide
Photonics Handbook
Photonics Dictionary
E-Newsletters
Sections
News
Features
Products
White Papers
Media
Light Matters Newscast
Webinars
Events & Courses Calendar
Browse by Subject
Lasers
Optics
Imaging
Biophotonics
Industrial
Sensors & Detectors
Test & Measurement
Light Sources
Fiber Optics
Spectroscopy
Microscopy
Materials & Coatings
Services
Subscribe
Login
Register
Advertise
Submit a Press Release
List in the Buyers' Guide
Buy Wall Charts
Terms & Conditions
Privacy Policy
About Us
Contact Us
back to top
©2017 Photonics Media
x
We deliver – right to your inbox. Subscribe FREE to our newsletters.